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with quadratic equations you will either get two x values for your answer, one value or zero values. This can be tested by rhe value of your discriminant when values have been subbed in. If it’s greater t...

There a 60 minutes in one hour.There are 60 seconds in one minute.60 multiplied by 60 is 3600.Therefore the plane travels 213 miles in 3600 seconds.To find out how many seconds it takes the plane to trave...

Factorise means to put into brackets and solve means to find values of x that make the equation true.We need to find two numbers that multiply to make 15 and add together to make -8. They both need to be ...

3x^2+3x-2x-2
3x(x+1)-2(x+1)
(3x-2)(x+1)

x+y=2 (1) x²+2y=12 (2) As we are dealing with x² we’re going to have to use substitution to solve this set of simultaneous equations. From the first equation, we can rearrange to mak...